Incidental Mutation 'R5898:Tbx20'
ID457666
Institutional Source Beutler Lab
Gene Symbol Tbx20
Ensembl Gene ENSMUSG00000031965
Gene NameT-box 20
SynonymsTbx12, 9430010M06Rik
MMRRC Submission 044097-MU
Accession Numbers
Is this an essential gene? Essential (E-score: 1.000) question?
Stock #R5898 (G1)
Quality Score225
Status Validated
Chromosome9
Chromosomal Location24718138-24774303 bp(-) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) T to A at 24758859 bp
ZygosityHeterozygous
Amino Acid Change Tyrosine to Phenylalanine at position 226 (Y226F)
Ref Sequence ENSEMBL: ENSMUSP00000126318 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000052946] [ENSMUST00000166018]
Predicted Effect probably damaging
Transcript: ENSMUST00000052946
AA Change: Y226F

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000052591
Gene: ENSMUSG00000031965
AA Change: Y226F

DomainStartEndE-ValueType
low complexity region 68 78 N/A INTRINSIC
low complexity region 81 95 N/A INTRINSIC
TBOX 98 292 1.08e-122 SMART
low complexity region 339 353 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000166018
AA Change: Y226F

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000126318
Gene: ENSMUSG00000031965
AA Change: Y226F

DomainStartEndE-ValueType
low complexity region 68 78 N/A INTRINSIC
low complexity region 81 95 N/A INTRINSIC
TBOX 98 292 1.08e-122 SMART
Predicted Effect unknown
Transcript: ENSMUST00000215802
AA Change: Y54F
Predicted Effect noncoding transcript
Transcript: ENSMUST00000216564
Predicted Effect noncoding transcript
Transcript: ENSMUST00000217597
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.9%
  • 20x: 93.8%
Validation Efficiency 96% (86/90)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a T-box family member. The T-box family members share a common DNA binding domain, termed the T-box, and they are transcription factors involved in the regulation of developmental processes. This gene is essential for heart development. Mutations in this gene are associated with diverse cardiac pathologies, including defects in septation, valvulogenesis and cardiomyopathy. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2009]
PHENOTYPE: Homozygous null mice display embryonic lethality, impaired cardiac looping, a small hourglass shaped heart, and decreased cardiomyocyte proliferation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 83 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700017N19Rik G T 10: 100,612,900 R158L possibly damaging Het
1700017N19Rik G A 10: 100,615,208 M179I probably benign Het
5430419D17Rik T G 7: 131,241,967 probably null Het
Abhd12 T C 2: 150,839,778 I231V possibly damaging Het
Adsl A G 15: 80,961,353 probably null Het
Ahnak C A 19: 9,013,767 N4138K possibly damaging Het
Ahnak T C 19: 9,018,211 S5620P probably damaging Het
Akap13 C T 7: 75,729,146 T2145I probably damaging Het
Alpk2 T A 18: 65,307,623 Q700L probably damaging Het
Apobec1 T C 6: 122,580,773 Y159C probably damaging Het
Atg9a T C 1: 75,186,272 T395A probably damaging Het
Atp6v1f A G 6: 29,467,958 I48V probably benign Het
BC051665 A C 13: 60,782,704 V278G probably damaging Het
Bicd1 A T 6: 149,513,703 H638L probably damaging Het
Cacna2d4 A G 6: 119,274,231 Y460C probably damaging Het
Ccdc157 C A 11: 4,144,538 R496L probably benign Het
Cep44 C G 8: 56,541,021 V174L probably damaging Het
Clca1 G T 3: 145,016,761 F283L possibly damaging Het
Csk T C 9: 57,630,302 T110A probably benign Het
Cspg4 T A 9: 56,885,222 probably null Het
Cutc A G 19: 43,760,029 I124V probably benign Het
Cyp2d9 A G 15: 82,455,524 T104A probably benign Het
Cyp2j9 G T 4: 96,577,714 T294K probably benign Het
D630003M21Rik T A 2: 158,204,657 probably null Het
Dcaf15 G T 8: 84,098,452 F450L probably damaging Het
Ddhd1 A T 14: 45,602,668 I723K probably damaging Het
Dnah17 C T 11: 118,114,213 A782T probably benign Het
Dnah3 T C 7: 120,078,501 D399G probably benign Het
Dync2h1 T C 9: 7,148,717 N909S probably benign Het
Erbin A G 13: 103,839,305 probably null Het
Fanci G A 7: 79,433,321 V682I probably benign Het
Fap A T 2: 62,573,503 F9L probably benign Het
Fat3 T C 9: 15,938,461 I3882V probably benign Het
Fkbp15 A T 4: 62,326,057 probably null Het
Fsd2 T C 7: 81,537,227 Y601C probably damaging Het
Gm5900 T C 7: 104,950,261 noncoding transcript Het
Gramd4 G T 15: 86,100,784 G82V probably damaging Het
Hc C T 2: 34,997,437 V1352I probably benign Het
Hsph1 A T 5: 149,625,158 N466K probably damaging Het
Ice2 T A 9: 69,408,262 D133E probably benign Het
Ifi213 T C 1: 173,568,979 M510V probably benign Het
Itpkb T G 1: 180,421,315 L861R probably damaging Het
Kbtbd3 T A 9: 4,330,476 D283E probably damaging Het
Man2a1 A G 17: 64,625,380 K154R probably benign Het
Masp1 T A 16: 23,491,927 I252F probably damaging Het
Megf11 G T 9: 64,685,964 C586F probably damaging Het
Myh2 C A 11: 67,192,719 A1476E possibly damaging Het
Myo18b A T 5: 112,802,330 probably null Het
Naip6 A T 13: 100,299,321 V898E possibly damaging Het
Nav1 T C 1: 135,585,146 M59V probably benign Het
Nlrp3 A T 11: 59,546,852 Y119F probably benign Het
Oxa1l T A 14: 54,363,301 I77N possibly damaging Het
Pcdhb8 T A 18: 37,357,484 D738E possibly damaging Het
Pdia5 A T 16: 35,422,965 W269R probably damaging Het
Peak1 T A 9: 56,207,338 T1440S probably benign Het
Piezo1 A G 8: 122,487,943 V1547A probably benign Het
Pkp1 T C 1: 135,882,521 Y437C probably damaging Het
Pla2r1 T C 2: 60,422,760 D1329G probably damaging Het
Ppip5k2 T C 1: 97,744,162 probably benign Het
Prrg4 C T 2: 104,845,033 S75N probably benign Het
Psmb9 T A 17: 34,182,292 I198F probably damaging Het
Rcbtb2 T A 14: 73,161,965 L23* probably null Het
Sbno1 A T 5: 124,386,791 probably benign Het
Scn3a T C 2: 65,514,695 E483G probably damaging Het
Sdccag8 T A 1: 176,824,822 D46E probably benign Het
Selenov A G 7: 28,288,154 F293L probably damaging Het
Sept2 A C 1: 93,479,301 D20A probably benign Het
Shc1 T A 3: 89,426,967 Y313* probably null Het
Siglec1 T A 2: 131,073,633 Y1346F probably damaging Het
Slc22a5 T A 11: 53,873,733 I296F probably damaging Het
Slc9c1 A G 16: 45,544,760 N152S probably damaging Het
Smoc1 C T 12: 81,104,757 R83* probably null Het
Ssx2ip A G 3: 146,427,831 D227G possibly damaging Het
Tbrg4 T C 11: 6,617,372 D576G probably damaging Het
Trav10d G T 14: 52,811,472 A107S probably damaging Het
Trim60 A T 8: 65,000,364 L411* probably null Het
Ttbk2 A T 2: 120,745,040 V1083D probably benign Het
Unc93a T A 17: 13,125,577 Q26L probably damaging Het
Usp14 T A 18: 10,022,819 N65I possibly damaging Het
Vip A T 10: 5,643,988 S114C probably damaging Het
Vmn1r237 A T 17: 21,314,551 I179F probably damaging Het
Wdr47 T A 3: 108,637,885 probably null Het
Zfp975 A T 7: 42,662,539 C217S probably damaging Het
Other mutations in Tbx20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00332:Tbx20 APN 9 24758748 missense probably damaging 1.00
IGL00572:Tbx20 APN 9 24725688 missense probably benign
IGL01016:Tbx20 APN 9 24750321 missense probably damaging 1.00
IGL01317:Tbx20 APN 9 24769755 missense probably damaging 1.00
IGL02643:Tbx20 APN 9 24773713 unclassified probably benign
IGL02690:Tbx20 APN 9 24773737 missense probably benign 0.27
R0853:Tbx20 UTSW 9 24725612 missense probably benign 0.05
R0855:Tbx20 UTSW 9 24725612 missense probably benign 0.05
R0856:Tbx20 UTSW 9 24725612 missense probably benign 0.05
R1781:Tbx20 UTSW 9 24725499 missense probably benign 0.00
R1840:Tbx20 UTSW 9 24725676 missense probably benign 0.22
R1981:Tbx20 UTSW 9 24770913 missense possibly damaging 0.85
R2063:Tbx20 UTSW 9 24769771 nonsense probably null
R2357:Tbx20 UTSW 9 24769776 missense possibly damaging 0.56
R4166:Tbx20 UTSW 9 24769744 missense probably damaging 1.00
R4790:Tbx20 UTSW 9 24725714 missense probably benign 0.34
R4904:Tbx20 UTSW 9 24758833 missense probably damaging 0.98
R5436:Tbx20 UTSW 9 24769720 missense probably damaging 1.00
R5799:Tbx20 UTSW 9 24725520 nonsense probably null
R6914:Tbx20 UTSW 9 24725483 missense probably benign 0.19
R6962:Tbx20 UTSW 9 24769740 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CCTTGTGTGGGAACTGAACTG -3'
(R):5'- TCCTGCCCTCATCATTTTAGAAGG -3'

Sequencing Primer
(F):5'- TGAACTGTCAAGGGCCACTC -3'
(R):5'- CCTCATCATTTTAGAAGGCAGCTTG -3'
Posted On2017-02-15